Set of 4 large matchboxes for big projects: This set includes 4 large spinner bobbins of high-quality polyester sewing thread, each with a length of 5000 meters, totaling 22,000 meters. Ideal for larger embroidery and sewing tasks without the need for continuous reloading.

Design of the matchbox with locking: Each 5000-meter matchbox features an innovative locking base designed to prevent the box from falling during high-speed embroidery and sewing, ensuring smooth and tidy unwinding of the thread without additional accessories.

Strong and vibrant thread: Made from 100% trilobal polyester thread with a standard weight of 40 (120D/2), this second-generation thread offers superior strength, beautiful shine, and vivid colors for professional results. Recommended sewing speed of 600-800 stitches per minute for optimal performance.

Compatible color matching: These 5000-meter polyester embroidery thread packs are designed to be compatible with Brother and Madeira color systems, providing easy color matching for various embroidery designs.

Note: It is recommended for home embroidery machine users to consider using a thread stand or spool holder for optimal thread feeding.